diff --git a/README.md b/README.md
index 75af4b5..5be43a3 100644
--- a/README.md
+++ b/README.md
@@ -608,7 +608,7 @@ open /System/Library/CoreServices/PowerChime.app
 #### Disable Chime when Charging
 ```bash
 defaults write com.apple.PowerChime ChimeOnAllHardware -bool false && \
-open /System/Library/CoreServices/PowerChime.app
+killall PowerChime
 ```
 
 ## Input Devices